Patents by Inventor Walter D. Hopper

Walter D. Hopper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Headbox apron finishing and lapping device
    Patent number: 5928067
    Abstract: A lapping assembly is described wherein a lapping process is performed to provide a flat headbox apron floor. The lapping assembly includes an eight-legged fly-style plate and a spring loaded floating driver. The lapping assembly and operation consists of attaching a spring loaded floating driver to a machine spindle of a milling machine. A lapping fly wheel is attached to the spring loaded floating driver. A coated abrasive strip with desired grit size to achieve the desired finished results is clamped in place on the lapping fly wheel. The machine spindle is rotated, thereby rotating the spring loaded floating driver and the lapping fly wheel, and the grinding and lapping of the apron floor can begin.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: July 27, 1999
    Assignee: Beloit Technologies, Inc.
    Inventors: Walter D. Hopper, Eugene D. Neill, Timothy W. Mecca, Paul D. Harris, Ronald L. Radke, Charles L. McCool